miztiik

from botocore.credentials import RefreshableCredentials
from botocore.session import get_session

from boto3 import Session


def assumed_session(role_arn, session_name, session=None):
    """STS Role assume a boto3.Session                                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                                                                       
    With automatic credential renewal.                                                                                                                 

miztiik

First Method

Deleting the .git folder may cause problems in our git repository. If we want to delete all of our commits history, but keep the code in its current state, try this:

# Check out to a temporary branch:
git checkout --orphan TEMP_BRANCH

# Add all the files:
git add -A

miztiik

Slides for Re:Invent conference

• Re:Invent 2016
• Re:Invent 2015
• Re:Invent 2014
• Re:Invent 2013
• Re:Invent 2012

miztiik

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "Scalable Wordpress instance",

    "Parameters": {
        "InstanceType": {
            "Type": "String",
            "Description": "Instance type",
            "Default": "t2.medium",
            "AllowedValues": [ "t2.medium", "t2.large" ]

miztiik

#!/usr/bin/env python
"""
Recipe for creating and updating security groups programmatically.


"""

import collections

import boto

miztiik

sudo apt-get update
sudo apt-get install -y python-pip
sudo pip install awscli

aws configure  # enter credentials for a user with full s3,ec2 access / admin access

export KUBERNETES_PROVIDER=aws
export KUBE_AWS_ZONE=us-west-2a
export KUBE_AWS_INSTANCE_PREFIX=k8s
export KUBE_MINION_IMAGE=ami-9abea4fb  # Ubuntu server 14.04

miztiik

Here are several different ways to test a TCP port without telnet.

BASH (man page)

$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C

$ cat &lt; /dev/tcp/127.0.0.1/23

miztiik

#!/bin/bash
# bash generate random alphanumeric string
#

function genStringPatterns() {
# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1

miztiik

<NotepadPlus>
    <UserLang name="Dockerfile" ext="Dockerfile" udlVersion="2.1">
        <Settings>
            <Global caseIgnored="no" allowFoldOfComments="no" foldCompact="no" forcePureLC="0" decimalSeparator="0" />
            <Prefix Keywords1="no" Keywords2="no" Keywords3="no" Keywords4="no" Keywords5="no" Keywords6="no" Keywords7="no" Keywords8="no" />
        </Settings>
        <KeywordLists>
            <Keywords name="Comments">03 04 00# 01 02</Keywords>
            <Keywords name="Numbers, prefix1"></Keywords>
            <Keywords name="Numbers, prefix2"></Keywords>